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Nozzle/Slip-on Heaters

Watlow's THERMASLEEVE™Watlow offers a full line of hot runner nozzle heaters for the plastics industry as well as slip-on heaters for the medical and analytical industries. While every heater has a unique set of capabilities, each nozzle heater is designed to meet specific application requirements. Whether you require high performance, high temperature or high watt density Watlow has the heater to best fit your application. Watlow’s family of nozzle/slip-on heaters include, THERMASLEEVE™ nozzle, MI nozzle, syringe, thick film cylindrical, mica nozzle, coiled nozzle, mini-coil nozzle and metric mini K-RING® nozzle heaters.

The THERMASLEEVE™ nozzle heater is a low profile, high-performance electric heater with rapid thermal response that allows the heat to be created precisely where it is needed. The patented manufacturing technology features a computer-controlled laser cutting technique that precisely generates the power distribution pattern. The heater is designed to have intimate contact with the surface of the nozzle, which optimizes heat transfer. This intimate contact combined with lower heater mass contributes to rapid thermal response to and from the nozzle tip. This helps reduce cycle times and ensures high quality final parts.

THERMASLEEVE nozzle heater benefits:

  • Rapid thermal response
  • Precise temperature profile
  • Low physical profile
  • Precision fit
  • Repeatability
  • Optional external thermocouple
  • Easy installation and removal

Product Sheath Material Typical Max. Watt Densities Max. Operating
Temperatures
W/in2 W/cm2
THERMASLEEVE SS 100 15.5 350°C (662°F)
MI Nozzle SS 230 35.7 760°C (1400°F)
Syringe Heaters Silicone wire Polycarbonate/foil 2 0.31 85°C (185°F)
Thick Film Cylindrical SS 40 6.2 500°C (932°F)
Mica Nozzle SS 55 8.5 480°C (900°F)
Coiled Nozzle 304 SS or Inconel® 600 30 4.65 650°C (1200°F)
Mini-Coil Nozzle 304 SS or Inconel® 600 30 4.65 650°C (1200°F)
Metric Mini K-RING SS protects brass heater body 320 50 650°C (1200°F)
Applications
  • Hot runner molds
  • Syringe heating
  • Analytical instrumentation

Product Information

Click on the below links for more product information. PDF documents require Adobe® Reader® version 7 or higher for viewing.

Adobe® is a registered trademark of Adobe Systems Incorporated.
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